School of Medicine
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Associate Professor of Biology
Current Research and Scholarly Interests A central aim of the burgeoning field of systems biology is to understand the principles governing genetic control networks. I believe finding the principles underlying genetic circuits will occur through detailed studies and then comparisons of several natural systems. Due to its extensive development as an experimental system, our favorite model, the budding yeast cell cycle, is poised to become central to this enterprise.
Director, HTBC, Chemical and Systems Biology Operations
Current Role at Stanford Director, High-Throughput Bioscience Center
The High-Throughput Bioscience Center's mission is to provide researchers at Stanford with the ability to run high-throughput chemical, siRNA, cDNA, and high-content screens for the purpose of drug and/or target discovery. The HTBC is a Stanford University School of Medicine core facility and was created in 2003 by the Department of Chemical and Systems Biology (formerly Molecular Pharmacology). The HTBC is a shared resource (Bioscience Screening Facility) for the Stanford Cancer Institute (more info), the Digestive Disease Center (Chemical Genomics Core), and the NIH Clinical and Translational Science Award (Spectrum).
Research approaches that were previously done exclusively in industry are now being used in academia to advance basic research. This high-throughput screening (HTS) laboratory allows Stanford researchers and others to discover novel modulators of targets that otherwise would not be practical in industry. The center incorporates instrumentation (purchased with NCRR NIH Instrumentation grant numbers S10RR019513 and S10RR026338), databases, compound libraries, and personnel whose previous sole domains were in industry. Among our instrumentation are a Molecular Devices ImageXpress Micro High-Content fluorescence microplate imager, with live cell and phase contrast/brightfield options, a Caliper Life Sciences SciClone ALH3000 and an Agilent Bravo microplate liquid handler, and the Molecular Devices Analyst GT and FlexStation II 384 and Tecan Infinite M1000 fluorescence, luminescence and absorbance multimode microplate readers. We have over 130,000 small molecules for compound screens, 15,000 cDNAs for genomic screens, and the siARRAY whole human genome siRNA library from ThermoFisher Scientific (formerly Dharmacon) targeting 21,000 genes.
The HTBC is located in CCSR Room 0133-North Wing, between the Transgenic Mouse Facility, the Immune Monitoring Core, and the Stanford Functional Genomics Facility.
Associate Professor of Biochemistry amd, by courtesy, of Chemical and Systems Biology
Current Research and Scholarly Interests We study the biology of chromosomes. Our research is focused on understanding how chromosomal domains are specialized for unique functions in chromosome segregation, cell division and cell differentiation. We are particularly interested in the genetic and epigenetic processes that govern vertebrate centromere function, in the organization of the genome in the eukaryotic nucleus and in the roles of RNAs in the regulation of chromosome structure.